[boost] [release] Boost 1.87.0 Beta 1 Release Candidate is available

Available at: https://archives.boost.io/beta/1.87.0.beta1/source/ The SHA256 checksums are as follows: 26f987635320854a141a8c9c3750eb6f01edb6eb75df9454726c4a03724b2472 boost_1_87_0_b1_rc1.tar.gz 3712ead87a26ae5b8ee7dcf0c180e4c27f58e50bd32f14d77e8e04bf6a13ae51 boost_1_87_0_b1_rc1.zip e6b047e06369392241f8574a5cc1b6aa493819aa498276654477e3a08bc94167 boost_1_87_0_b1_rc1.7z deff255d96e11760f728f5f90785b138fff93f6c9a3ab24664710211a41614ad boost_1_87_0_b1_rc1.tar.bz2 As always, the release managers would appreciate it if you download the candidate of your choice and give building it a try. Please report both success and failure, and anything else that is noteworthy. -- The Release Managers